AU2004202770A1 - Stable salad dressing - Google Patents
Stable salad dressing Download PDFInfo
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- AU2004202770A1 AU2004202770A1 AU2004202770A AU2004202770A AU2004202770A1 AU 2004202770 A1 AU2004202770 A1 AU 2004202770A1 AU 2004202770 A AU2004202770 A AU 2004202770A AU 2004202770 A AU2004202770 A AU 2004202770A AU 2004202770 A1 AU2004202770 A1 AU 2004202770A1
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- food
- esters
- emulsifier
- stable
- sorbitan
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Description
-1-
AUSTRALIA
PATENTS ACT 1990 COMPLETE SPECIFICATION FOR A STANDARD PATENT
ORIGINAL
Name of Applicant/s: Actual Inventor/s: Address for Service:
CCN:
McNeil-PPC, Inc.
Clemence K Dartey and John D. Higgins, III and Richard D. Bruce and Brid T. Burruano Baldwin Shelston Waters MARGARET STREET SYDNEY NSW 2000 3710000352 Invention Title: STABLE SALAD DRESSING Details of Original Application No. 44636/99 dated 20 Aug 1999 The following statement is a full description of this invention, including the best method of performing it known to me/us:- File: 43004AUP00 500377750_1 .DOC/5844 la STABLE SALAD DRESSINGS Field of the Invention This invention relates to stable salad dressings containing a sterol ester and methods of producing the same.
Background of the Invention It has been shown that the addition of plant sterols, such as P-sitosterol, to diets will reduce serum cholesterol levels. The sterols reduce serum cholesterol through the disruption of intestinal absorption of dietary cholesterol by displacing it from bile acid micelli. More recently, 0-sitosterol's saturated derivative, 3sitostanol, has been shown to be more effective in the reduction of intestinal cholesterol absorption. The sitostanol itself is virtually unabsorbed, so it does not contribute at all to in vivo serum sterol concentration upon consumption. Unfortunately, typical sterols and stanols are insoluble in the micelli phase of the alimentary canal and have only limited solubility in oils and/or fats or water. Hence, free sterols or stanols themselves are not optimum candidates for use in typical pharmaceutical or dietary dosage forms as cholesterol reducing agents.
The incorporation of these materials into foods are also difficult due to the limited solubility of the stanol or sterol in foods such as margarine and salad dressings.
Salad dressings are particularly difficult in that they are frequently sold at room temperature, but require refrigeration after opening. Formulating a stable composition is particularly difficult when changes in temperature occur.
-2 Summary of the Invention The present invention is directed to a stable food containing a cholesterol reducing amount of a sterol ester; an effective amount of a fat crystal inhibitor, and an effective amount of a hydrocolloid stabilizer or emulsifier. In a particularly preferred embodiment the present invention is a salad dressing which remains stable even when refrigerated.
Detailed Description As disclosed in U.S. Patent Nos. 5,502,045, 5,578,334 and 5,244,877,the contents of which are incorporated herein by reference, it is known that consumption of O-sitosterol is known to reduce cholesterol levels in the blood stream. In order to be effective it is necessary to consume from about 0.5 to about 1.5 grams, and more preferably about 1 gram of Psitosterol per serving size. The word sterol ester as used in the present invention is understood to include any cholesterol lowering agent including stanols, stanol esters, sterol esters and the like.
In order to incorporate an effective amount of Psitosterol in a salad dressing, in which an average serving size of about 30 grams, it is necessary to incorporate less than about 10 percent by weight, typically less than about 8 percent and most preferably about 6 percent by weight of the 0-sitosterol in a salad dressing serving.
At this relatively high level of P-sitosterol, it is difficult to formulate a stable product, especially after the product has been opened and requires refrigeration. Refrigeration as used herein, is understood to be temperatures below room temperature, 3 which includes about 60 F, but the term also includes temperatures of 40 F and below. These lower temperatures are commonly found in commercial and residential refrigerators.
As used throughout this application, stable is understood to mean that the product does not separate into different phases. Instead the food, most preferably the salad dressing, will be relatively uniform and not separate into distinct layers. An example of a stable system is a salad dressing which remains creamy after a period of time. An example of an unstable system is an Italian salad dressing which after the passage of some time will separate into two distinct regions, an oil phase and an aqueous phase.
The present invention requires the incorporation of an effective amount of fat crystal inhibitors which include polyglycerol esters of fatty acids, sorbitan esters of fatty acids such as sorbitan tristearate; polysorbates made from the reaction product of monoglycerides or sorbitan esters with ethylene oxides, mixtures of these materials and the like. Examples of useful polysorbates include polyoxyethylene 20 mono- and diglycerides of saturated fatty acids, polyoxyethylene 4 sorbitan monostearate, polyoxyethylene 20 sorbitan tristearate, polyoxyethylene 20 sorbitan monooleate, polyoxyethylene 5 sorbitan monooleate, polyoxyethylene sorbitan trioleate, sorbitan monopalmitate, sorbitan monolaurate, propylene glycol monolaurate glycerol monostearate diglycerol monostearate, glycerol lactyl-palmitate; mono and di-glyerides and the like. A particularly preferred fat crystal inhibitor is Caprol ET, commercially available from A.C. Humko, which is a mixture of polyglycerol fatty acid esters. Typically these materials are incorporated at levels of from 0.1 MCP-200 4 to about 3.0 percent by weight, preferably from about 0.2 to about 2.0 and most preferably about 0.5 weight percent.
Useful emulsifiers in the practice of the present invention include polyglycerol esters, mono and diglycerides of fatty acids, propylene glycol esters, sucrose fatty acid esters and polyoxyethylene derivatives of sorbitan fatty acid esters and the like.
Mixtures of emulsifiers may also be employed. These emulsifiers are well known in the art and are commercially available. The emulsifier level is typically from about 0.01 to about 1.5 weight percent, preferably from about 0.1 to about 1.2 and most preferably from about 0.5 to about 1.0 weight percent.
Suitable polyglycerol esters include triglyceryl monostearate, hexaglyceryl distearate, hexaglyceryl monopalimate, hexaglyceryl dipalmitate, decaglyceryl distearate, decaglyceryl monoleate, decaglyceryl dioleate, decaglycerol monopalmitate, decaglycerol dipalmitate, decaglyceryl monostearate, octaglycerol monoleate, octaglycerol monostearate and decaglycerol monocaprylate.
Other suitable emulsifiers include, with HLB values provided in brackets, include decaglycerol monolaurate[15.5]; decaglycerol distearate (10.5]; decaglycerol dioleate decaglycerol dipalmitate decaglycerol monostearate decaglycerol monooleate hexaglycerol monostearate (12.0]; hexaglycerol monooleate hexaglycerol monoshortening polyoxyethylene (20) sorbitan monolaurate polyoxyethylene sorbitan monolaurate polyoxyethylene (20) sorbitan monopalmitate polyoxyethyene (20) sorbitap monostearate polyoxyethylene (20) sorbitan 5 tristearate polyoxyethylene (20) sorbitan monooleate polyoxyethylene sorbitan monooleate polyoxyethylene (20) sorbitan trioleate As is appreciated by those with skill in the art, the HLB value for a surfactant is an expression of its Hydrophile-Lipophile balance, i.e., the balance of the size and strength of the hydrophilic (polar) and lipophilic (non-polar) groups of the surfactant.
Lactic acid derivatives include sodium stearoyl lactylate and calcium stearoyl lactylate.
In addition to emulsifiers, hydrocolloids may also be used to stabilize the emulsion at the same levels as the emulsifiers. Suitable hydrocolloids include xantham gum, propylene glycol alginate, guar gum, gum Tragarcanth, locust bean gum, gellan gum, gum Arabic, cellulose gums, cellulose derivatives such hydroxymethylpropyl cellulose, carboxymethyl cellulose, microcrystalline cellulose and the like; modified food starches and the like. In a preferred embodiment, both an emulsifier and hydrocolloid are employed.
Hydrocolloids are commonly used in combination with whole egg, egg yolks as well as the emulsifiers set forth above. The preferred stabilizers are combinations of xantham gum, propylene glycol alginate, egg yolk and modified food starches. However it was discovered that the incorporation of stanol esters in the formulations caused crystallization at temperatures below about 65 F.
The destabilization of the emulsion was particularly noted when the amount of egg yolk was limited. In order to have the product defined as cholesterol free, egg yolk in the formulations was limited to less than 2 milligrams per serving.
MCP-200 6- The foods of the present invention also include preservatives, colorings, vitamins, seasonings and excipients which are well known to those in the art.
The present invention also provides a method for preparing a stable food emulsion comprising: providing an aqueous stream; providing an food grade acceptable oil; providing a stanol ester; providing a crystal fat inhibitor and an emulsifier; admixing said oil, stanol ester, crystal fat inhibitor and emulsifier; heating the admixture to a temperature of from about 100 to about 150 F to form a heated oil adding the heated oil to said aqueous system. More preferably the admixture is heated to a temperature of from about 120 to about 140 F.
In order to make the salad dressings of the present invention any suitable food grade oils may be employed including soybean, sunflower, corn, vegetable and the like. The oils are typically less.than 50 of the salad dressing, more preferably from about 25 to about weight percent.
The following examples are provided to further illustrate the claimed invention, but not limit the invention to the examples provided below. Unless noted otherwise, all weights are presented in weight percent.
Example 1 The following examples are examples of a stable salad dressings containing sufficient stanol esters to provide an effective amount of stanol ester to reduce cholesterol when a serving of 30 grams is used. Sorbitan tristearate could be substituted for Caprol ET or combined with Caprol ET in each of the formulations. All of the following formulations additionally contain seasoning, preservatives, coloring, flavoring as desired f9r taste.
-7 RANCH DRESSING FORMULATION Ingredients composition Typical Range of Formula Ingredients Ingredients Percent Percent -Soybean oil, salad oil 40.000 30 Vinegar, .6.000 4.0 stanol esters 5.750 Sugar, 4.000 3.0 Cultured buttermilk solids 1.000 0.5 Caprol ET 0.500 0.2 Egg yolk, 0.360 0- Xanthan gum 0.300 0.15 Polysorbate 60 (Tween 60) 0.300 0 0.30 Propylene glycol alginate 0.160 1.05 0.30 Polysorbate 80 (Tween 80) 0.160 10.0 0.30 Water 136.568 jTo 100% Total ioo0.ooo 100 FRENCH STYLE DRESSING FORMULATION Ingredients Composition Typical Range of Ingredients Ingredients Percent Percent Soybean oil 35.000 25 Sugar 14.000 8.0 Vinegar 6.000 4.0 Tomato Paste solids) 6.000 3.0 Stanol esters 5.600 3.0 -Caprol ET 0.500 0.1 -Egg yolk 0.350 0 Polysorbate 60 0.300 0 0.3 Xanthan gum 0.200 0.1 -Propylene glycol alginate 0.100 0 Polysorbate 80 0.100 0.0 0.3 Water 28 .831 To 100% Total 100.0o00_______ 8- THOUSAND ISLAND DRESSING FORMULATION Ingredients Composition Typical Range of Formula Ingredients Ingredients Percent Percent Soybean Oil 35.000 25 Sweet relish 10.00 4.0 Sugar 9.000 4.0 Vinegar 6.000 4.0 Stanol esters 5.600 4.0 10.0 Tomato paste 5.000 2.0 Egg yolk, liquid, 10% salt 0.400 0 Caprol ET 0.500 0.1 Polysorbate 60 0.300 0.1 0.30 _Xanthan gm0.300 0.1 Propylene glycol alginate 0.130 0.05 Polysorbate 80 0.100 0.0 0.3 Water 25.700 To 100% Total 1100.000 1100 CREAMY ITALIAN DRESSING FORMULATION Ingredients Composition Typical Range of Formula Ingredients Ingredients Percent Percent Soybean oil 33.000 25-40 Vinegar 9.200 5.0 Sugar 6.000 3.0 Stanol esters 5.750 0 8. 0 Diced sweet Bell peppers, 0.600 0.2 ,dried ICaprol. ET 0.520 0.1 Buttermilk 0.500 0 Eggs 0.400 0 Xanthan gum 0.320 0.1 Polysorbate 60 0.300 0 0.30 Modified food starch 0.250 0 Titanium dioxide 0. 200 0 Propylene glycol alginate 0.160 0.05 Polysorbate 80 0.090 0.0 0.30 Water 337.330 To 100% Total .100.000 9- REDUCED FAT RANCH DRESSING FORMULATION Ingredients Composition Typical Range of -Ingredients Ingredients Percent Percent Soybean oil 24.500 15 -28 Vinegar 8.000 4.0 -12 Stanol esters) 5.750 4.0 R~anch seasoning 5.000 3.0 Sugar 4.000 2.0 Cultured butterilk solids 1.400 0.2 Caprol ET 0.650 0.1 1.50 Lemon juice concentrate 06. 450 0 Xanthan gum 10.450 0.1 0.60 Egg yolk 0.350 0 Polysorbate 60 0.300 0.1 0.30 Modified food starch 0.300 0 1.60 Propylene glycol alginate 0.215 0.05 Distilled mono- di- 0.200 0 1.50 glyceride________ Water 46.765 To 100% Total 1100.000 10 Comparative Examples The following examples demonstrate formulations which were found to be unstable when refrigerated. However, when the stanol ester was removed and the formulation reconstituted, the formulation was once again stable, even when refrigerated.
Ranch Style Salad Dressing Ingredients Composition Unstable Stable Formula Formula Ingredients Percent Percent Soybean oil, salad oil 40.000 45.750 Vinegar 6.000 6.000 stanol esters 5.750 0.000 Sugar, 4.500 4.500 seasoning 4.000 4.000 Cultured buttermilk solids 1.000 1.000 Cooking salt 0.400 0.400 Egg yolk, liquid, 10% salt 0.360 0.360 Xanthan gum 0.340 0.340 Propylene glycol alginate 0.160 0.160 Preservatives, colorings Balance of Balance of vitamins and seasonings formulation formulation Water 36.988 36.988 Total 100.000 100.000 FRENCH STYLE DRESSING FORMULATION Ingredients Composition Unstable Stable formula formula Ingredients Percent Percent Soybean oil, salad oil 35.000 40.600 Sugar, fine granulated 17.500 17.500 Vinegar, 120 grain, white 6.000 6.000 distilled Tomato Paste solids) 6.000 6.000 Stanol esters 5.600 0.000 Egg yolk, liquid, 10% salt 0.350 0.350 Xanthan gum 0.200 0.200 Propylene glycol alginate 0.100 0.100 Preservatives, colorings Balance of Balance of vitamins and seasonings formulation formulation Water 26.231 26.231 Total 100.000 100.000 11 TYPICAL THOUSAND ISLAND DRESSING FORMULATION Ingredients Composition Unstable Stable formula formula Ingredients Percent Percent Soybean oil 35.000 40.600 Sweet relish 11.00 11.000 Sugar, fine granulated 9.000 9.000 Vinegar, 120 grain, white 6.000 6.000 distilled Stanol esters 5.600 0.000 Tomato paste solids) 5.000 5.000 Egg yolk, liquid, 10% salt 0.400 0.400 Xanthan gum 0.300 0.300 Propylene glycol alginate 0.150 0.150 Preservatives, colorings Balance of Balance of vitamins and seasonings formulation formulation Water 25.580 25.580 Total 100.000 100.000 TYPICAL CREAMY ITALIAN DRESSING FORMULATION Ingredients Composition Unstable Stable formula formula Ingredients Percent Percent Soybean oil, salad oil 33.000 38.750 Vinegar 9.200 9.200 Sugar 6.000 6.000 Stanol esters 5.750 0.000 Buttermilk 0.500 0.500 Eggs 0.400 0.400 Xanthan gum 0.320 0.320 Modified food starch 0.250 0.250 Water 38.240 38.240 Preservatives, colorings Balance of Balance of vitamins and seasonings formulation formulation Total 100.000 100.000 12 TYPICAL LIGHT RANCH DRESSING FORM4ULATION Ingredients Composition Unstable Stable formula Ingredients Percent Percent Soybean oil, salad oil 24.500 30.260 Viegr 8.000 .8.000 Stanol esters) 5.750 0.000 Seasoning 5.000 5.000 Sugar 4.000 4.000 Cultured buttermilk solids 1.400 1.400 Lemon juice concentrate 0.450 0.450 Xanthan gum 0.450- 0.450 Egg yolk 0.350 0.350 Polysorbate 60 0.300 0.300 Modified food starch 0.300 0.300 Propylene. glycol' alginate 0.215 0.215 Preservatives, colorings Balance of Balance of vitamins and seasonings formulation formulation Water 147.615 47.615 Total 1100.000 1100.000
Claims (11)
1. A food comprising: a cholesterol reducing amount of a sterol ester; an emulsifier or a hydrocolloid; and a fat crystal inhibitor.
2. The food of claim 1 which is a liquid.
3. The food of claim 2 which is a salad dressing.
4. The food of claim 1 wherein the emulsifier is selected from the group consisting of polysorbate 80, and polysorbate The foodstuff of claim 1 wherein the hydrocolloid is selected from the group consisting of xantham gum, propylene glycol alginate, modified food starches and cellulose derivatives.
6. The food of claim 1 which contains from about to about 1.5 grams of active sterol ester per serving.
7. A method for preparing a stable food emulsion comprising: providing an aqueous stream; providing an food grade acceptable oil; providing a stanol ester; providing a crystal fat inhibitor and an emulsifier; admixing said oil, stanol ester, crystal fat inhibitor and emulsifier; heating the admixture to a temperature of from about 100 to about 150 F to form a heated oil adding the heated oil to said aqueous system.
8. The method of claim 7 wherein the food is a salad dressing. 14
9. The method of claim 7 wherein the crystal fat inhibitor is selected from the group consisting of polyglycerol esters of fatty acids, sorbitan esters of fatty acids, polysorbates made from- the reaction product of monoglycerides or sorbitan esters and ethylene oxides. The method of claim 7 wherein the emulsifier is selected from the group consisting of polyglycerol esters, mono and diglycerides of fatty acids, propylene glycol esters, sucrose fatty acid esters and polyoxyethylene derivatives of sorbitan fatty acid esters.
11. The method of claim 7 wherein the foodstuff emulsion remains stable when refrigerated.
12. A food substantially as herein described with reference to any one of the embodiments of the invention illustrated in the accompaning. examples.
13. A method for preparing a stable food emulsion substantially as herein described with reference to.any one of the embodiments of the invention illustrated in the accompanying examples. DATED this 23rd Day of June 2004 BALDWIN SHELSTON WATERS Attorneys for: MCNEIL-PPC, INC.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2004202770A AU2004202770A1 (en) | 1998-08-31 | 2004-06-23 | Stable salad dressing |
AU2008200238A AU2008200238A1 (en) | 1998-08-31 | 2008-01-18 | Stable salad dressings |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09143817 | 1998-08-31 | ||
AU44636/99A AU4463699A (en) | 1998-08-31 | 1999-08-20 | Stable salad dressings |
AU2004202770A AU2004202770A1 (en) | 1998-08-31 | 2004-06-23 | Stable salad dressing |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU44636/99A Division AU4463699A (en) | 1998-08-31 | 1999-08-20 | Stable salad dressings |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU2008200238A Division AU2008200238A1 (en) | 1998-08-31 | 2008-01-18 | Stable salad dressings |
Publications (1)
Publication Number | Publication Date |
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AU2004202770A1 true AU2004202770A1 (en) | 2004-07-29 |
Family
ID=34318063
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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AU2004202770A Abandoned AU2004202770A1 (en) | 1998-08-31 | 2004-06-23 | Stable salad dressing |
Country Status (1)
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AU (1) | AU2004202770A1 (en) |
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2004
- 2004-06-23 AU AU2004202770A patent/AU2004202770A1/en not_active Abandoned
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NB | Applications allowed - extensions of time section 223(2) |
Free format text: THE TIME IN WHICH TO MAKE A FURTHER APPLICATION FOR A DIVISIONAL PATENT HAS BEEN EXTENDED TO 19 JUL2004. |
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MK5 | Application lapsed section 142(2)(e) - patent request and compl. specification not accepted |